OECD-Organisation for Economic Co-Operation and Development, Group on the State of the Environment
1989

OECD-Organisation for Economic Co-Operation and Development, Centre for Educational Research and Innovation, Indicators of Educational Systems
1996-

OECD-Organisation for Economic Co-Operation and Development
2004-

OECD-Organisation for Economic Co-Operation and Development
2011-

UNESCO-United Nations Educational, Scientific and Cultural Organization, Institute for Statistics, OECD-Organisation for Economic Co-Operation and Development
2005

OECD-Organisation for Economic Co-Operation and Development
2014

OECD-Organisation for Economic Co-Operation and Development
2011-2013

OECD-Organisation for Economic Co-operation and Development
1960-

OECD-Organisation for Economic Co-Operation and Development, EUROSTAT-European Commission
2010-

OECD-Organisation for Economic Co-Operation and Development
1964-1987

OECD-Organisation for Economic Co-Operation and Development, IEA-International Energy Agency
2010-

OECD-Organisation for Economic Co-Operation and Development
2020-